Make the fuchsia mojo/public repo the source of truth.

mojo/public/tools/dartx.py

-#!/usr/bin/env python
-# Copyright 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Creates a dartx archive.
-"""
-
-import argparse
-import os
-import sys
-import zipfile
-
-def main():
-  parser = argparse.ArgumentParser(description='dartx packager.')
-  parser.add_argument('--snapshot',
-                      help='Snapshot file.',
-                      type=str)
-  parser.add_argument('--output',
-                      help='Path to output archive.',
-                      type=str)
-  arguments = parser.parse_args()
-
-  snapshot = arguments.snapshot
-  output = arguments.output
-
-  with zipfile.ZipFile(output, 'w', zipfile.ZIP_DEFLATED) as outfile:
-    outfile.write(snapshot, 'snapshot_blob.bin')
-
-  return 0
-
-if __name__ == '__main__':
-  sys.exit(main())